Brand new and high quality. Features: A replacement 52mm to 42mm step-down ring for your cameras. Convenient and easy to use. Provides access to a wider range of filters, adapters, hoods, and more. Made from special aviation aluminum alloy, offering high strength, impact resistance, and resistance to torsion and pressure. Precision machining process. Surface Treatment: High-mesh sandblasting and pure matte black paint finish. Ultra-low chemical residue. Male thread for camera lens: 52mm Female thread for filter: 42mm Only step-down filter rings included; other accessories shown in the picture are not included! Specification: Item Name: Step Down Filter Rings Material: Aluminum Alloy Shape: Round Type: Lens Adapters Color: Black Quantity: 1 pc Note: Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! Package Includes: 1 x Step Down Filter Rings (without retail package)